Announcer: You are about to hear an address by Mr. Lee C. Diton, Chairman of the Board of the Macmillan Company, "The Role of the Leader in Managing Change." This recording has been especially processed using the Eltro Information Rate Changer Mark II. Mr. Diton originally delivered this address in exactly 12 minutes 25 seconds. It has been speeded by 50% so that its running time on this record is only 8 minutes 16 seconds, a saving of 33 and a third percent in listening time. Now here's Mr. Diton.